The NS OCS with F9A unit NS 4270 and B units NS 4275 and NS 4276 cross an icy Potomac River from West Virginia into Maryland on the way back to Altoona after completing their first trip in 2014.

The NS OCS with F9A unit NS 4270 and B units NS 4275 and NS 4276 cross an icy Potomac River from West Virginia into Maryland on the way back to Altoona after completing their first trip in 2014.